Mattermost and Rocket Chat are two of the most popular self-hosted Slack alternatives. Let’s compare both of them to see which one is more suitable for you.

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Mattermost and Rocket Chat are two of the most popular self-hosted Slack alternatives. Let’s compare both of them to see which one is more suitable for you.
Mattermost is an excellent open-source and self-hosted replacement for chat software like Slack. Learn how to install it on Ubuntu with Docker.